#!/bin/sh -efu
#
# Check decoding of PR_SET_SPECULATION_CTRL and PR_GET_SPECULATION_CTRL
# prctl operations.
#
# Copyright (c) 2018 The strace developers.
# All rights reserved.
#
# SPDX-License-Identifier: GPL-2.0-or-later

. "${srcdir=.}/scno_tampering.sh"

fault_args='-a53 -e trace=prctl -e inject=prctl:'
prog="../$NAME"

test_run_rval()
{
	local run rval injexpr
	run="$1"; shift
	rval="$1"; shift
	injexpr="$1"; shift

	run_strace $fault_args$injexpr $prog $rval > "$EXP"
	LC_ALL=C grep -Ev '^prctl\(PR_[GS]ET_([^S][^P][^E][^C]])' \
		< "$LOG" > "$OUT"
	match_diff "$OUT" "$EXP"
}

test_run_rval 0 -1 "error=ENOTTY"
test_run_rval 1 0 "retval=0"
test_run_rval 2 1 "retval=1"
test_run_rval 3 3 "retval=3"
test_run_rval 4 8 "retval=8"
test_run_rval 5 16 "retval=16"
test_run_rval 6 42 "retval=42"